Merge "Update CodeMirror to 5.50.2"

bower.json

diff --git a/bower.json b/bower.json
index 1ef5317..7f2d4cd 100644
--- a/bower.json
+++ b/bower.json
@@ -7,7 +7,7 @@
   "dependencies": {
     "polymer": "Polymer/polymer#^1.0.0",
     "webcomponentsjs": "webcomponents/webcomponentsjs#^0.7.0",
-    "codemirror-minified": "^5.37.0"
+    "codemirror-minified": "^5.50.2"
   },
   "devDependencies": {
     "web-component-tester": "Polymer/web-component-tester#^6.0.0",